CN105735097B - Handle the self-propelled road milling machine on road surface and road milling machine processing road surface method - Google Patents
Handle the self-propelled road milling machine on road surface and road milling machine processing road surface method Download PDFInfo
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- CN105735097B CN105735097B CN201511016113.1A CN201511016113A CN105735097B CN 105735097 B CN105735097 B CN 105735097B CN 201511016113 A CN201511016113 A CN 201511016113A CN 105735097 B CN105735097 B CN 105735097B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
- E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
- E01C23/088—Rotary tools, e.g. milling drums
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/12—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
- E01C23/122—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus
- E01C23/127—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus rotary, e.g. rotary hammers
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Road Repair (AREA)
- Milling Processes (AREA)
Abstract
In the self-propelled road milling machine (1) for handling road surface (2), self-propelled road milling machine (1) includes：Mechanical framework (8)；Milling and planing drum (12) and the milling and planing drum housing (10) for impaling milling and planing drum (12), milling and planing drum (12) are mounted to rotate and extend in the axial direction transverse to direction of travel；Wherein milling and planing drum (12) is including circumferentially preferably with multiple cutters (16) on milling and planing drum (12) of helix shape, wherein cutter (16) has the mutual line space specified other than axial neighboring area；It is also configured to realize following characteristics：Oscillatory driver (28) applies the oscillating stroke moved back and forth in the axial direction relative to mechanical framework (8) on the axis of milling and planing drum (12), wherein the rotary motion of cutter can be superimposed with the axial movement for the axis for being parallel to milling and planing drum (12), and the stroke of the axial movement can be adjusted relative to the line space between two axially adjacent cutters (16).
Description
Technical field
The present invention relates separately to self-propelled road milling machine for handling road surface and for handling link table
The method in face.
Background technology
Such road milling machine has generally been well known.For small-sized milling machine, in small-sized milling machine,
Middle milling and planing drum is concordant with the rear axle on chassis to be positioned, and be located between trailing wheel, it is known that in zero side (zero side) of machinery
Upper offer back support wheel or crawler type floor-engaging unit, can inwardly be pivoted to behind the exterior contour of road milling machine
In order to lean on the milling of proximal edge.
Large-scale road milling machine is, for example, following road milling machines, before wherein milling and planing drum is mounted at mechanical framework
Between axis and the crawler type floor-engaging unit of rear axle, and it is in and has a distance locating with them.EP 11 677 626 A1
Describe a kind of such large-scale milling machine.
The milling and planing drum of this milling machine include multiple cutters, preferably circumferentially on multiple cutters of spiral-shaped arrangement.This
A little cutters are typically milling cutter, are being welded in the toolframe of cylindrical, hollow drum body or are being fixed in toolframe system suitable
When under position.Therefore, cutter has constant line space, corresponds to the axial distance between adjacent cutter, and usually 3
Millimeter is between 25 millimeters.
Due to the axial distance of these cutters, the texture of trough of belt is formed on the surface by milling during milling,
The mutual distance of middle adjacent slot corresponds to line space.
In this process, the selection of line space depends on specific milling application.Such as in order to remove complete road surface, with
It is served only for comparing with the fine milling of small milling deep rough road surface, generally selects the line space of bigger.
In brief, reason for this is that the milling and planing drum with small line space is not suitable for since cutter density is high
Big milling depth, and the milling and planing drum with big line space is because generated trough of belt texture is too thick on by milling surface
Required texture that is rough and can not achieve roughening road surface.
In addition, other than milling depth and required surface texture, a large amount of other factors are in the selection of line space
It works, such as treats processed ground surface properties, this causes different applications can be used with a large amount of of different line spaces
Different milling and planing drums.
For milling contractor, this results in the need for safeguarding different milling machines and/or for different application suitable for milling
The different types of milling and planing drum of planer.
This is led to fringe cost for obtaining additional mechanical or for being converted to machinery with different milling and planing drums
Corresponding additional work amount and the time spent.This is particularly unfavorable in following these, is existed in said case
Single construction site need to meet different requirements and as a result, different machinery needs be transported to operation field or
Person needs at the scene to convert single machinery.
Invention content
Therefore, it is a kind of for handling the road milling machine of road surface and for locating it is an object of the invention to propose
The method for managing road surface makes it possible to neatly be used for different milling applications, and extend milling and plane operation can
Energy property, and can be used in a manner of cost-effective and is time saving.
Above-mentioned purpose can be realized in the following way.
One aspect of the present invention provides a kind of self-propelled road milling machine for being used to handle road surface, including：
Mechanical framework；Milling and planing drum and the milling and planing drum housing for impaling milling and planing drum, the milling and planing drum are mounted to rotate and in the axial direction
On transverse to direction of travel extend；Wherein milling and planing drum is including circumferentially multiple cutters on milling and planing drum, wherein cutter remove
There is the mutual line space specified except axial neighboring area；It is characterized in that：Oscillatory driver is on milling and planing drum
Apply the oscillating stroke that is moved back and forth in the axial direction relative to mechanical framework, wherein the rotary motion of cutter can with it is parallel
In the axial movement superposition of the axis of milling and planing drum, the stroke of the axial movement can be relative to the row between two axially adjacent cutters
Spacing is adjusted.
Another aspect of the present invention provides a kind of method with road milling machine processing road surface, the road milling
Machine has：Milling and planing drum, the milling and planing drum are mounted to rotate at mechanical framework and in the axial direction transverse to direction of travel prolong
It stretches；Circumferentially multiple cutters on milling and planing drum, wherein cutter keep specifying other than axial neighboring area mutual
Between line space；It is characterized in that：In operation process, by the oscillating stroke moved back and forth in the axial direction in axial side
It is applied on milling and planing drum upwards, wherein no less than one of axis of the rotary motion of cutter with being parallel to milling and planing drum is axially moved folded
Add, the stroke of the axial movement can be adjusted changeably relative to the line space of two axially adjacent cutters.
The present invention advantageously provides a kind of oscillatory drivers, apply on milling and planing drum in the axial direction relative to machinery
The oscillating stroke that frame moves back and forth, the in this arrangement rotary motion of cutter can be folded with being parallel to the axial movement of milling and planing drum axis
Add, the stroke of the axial movement can be adjusted relative to the line space between two axially adjacent cutters.
Advantage according to the present invention resides in the fact that, i.e., can realize big milling depth now, while available single
Roughing drum or standard rouse to form fine surface texture.
It is moved back and forth in the axial direction relative to mechanical framework as milling and planing drum application oscillating stroke as a result, in road
Linear texture on road surfaces can be changed accordingly or remove completely.As a result, it is also possible to generate have not directly according to
Rely in the road surface of the texture of milling and planing drum line space.It also eliminates to use forms finer line on the surface by milling
The necessity of the milling and planing drum of property texture.Another advantage is provided in that being changed for road surface be realized with the milling depth of bigger
The surface texture of change.In this process, cutter performs the rotary motion around milling and planing drum axis, the axis with being parallel to milling and planing drum axis
It is superimposed to movement.The displacement stroke of milling and planing drum in the axial direction can be adjusted according to the line space of two axially adjacent cutters,
Allow and changeably adjust oscillating stroke for the milling and planing drum with different cutter density.This eliminates conversion time, and
The situation that a large amount of milling and planing drums are provided for different applications can be substantially reduced.
Specifically, axial oscillation eliminates the demand for fine (fine) and micro- fine (micro-fine) milling and planing drum,
These milling and planing drums are due to every cubic metre of high cutter density and the abrasion of high cutting tool but cost-intensive.
In this way, can for example road surface effectively be removed completely and only removes link table using the milling and planing drum of standard
The superficial layer in face increases both skid resistances by roughening.
The present invention advantageously provides time and cost savings, because rough grain and fine can be formed with single milling and planing drum
Both textures.
In addition, compared with the milling carried out with conventional fine milling and planing drum, the present invention can also provide advantage.In fine milling
Fine trough of belt texture formed in plane process, which can have the steering behavior of vehicle particularly sulky vehicle, to negatively affect and leads
Cause voluntarily turns to behavior.Since even if the oscillation of milling and planing drum, oscillating stroke are less than line space, it may also reduce be formed in parallel with driving a vehicle
The slot in road.
It should be understood that oscillating stroke does not need to correspond exactly to line space, but it may also be adjusted to smaller or more
Can alternatively it be turned off greatly or together so that road milling machine can operation in a usual manner.
Preferably for being contemplated to be what can changeably be adjusted for the amplitude and/or frequency of oscillation so that by milling and planing drum
The texture type formed on the surface can individually be suitable for specific milling application.
In this arrangement, oscillating stroke can be between 0.5 times to 1.5 times of line space, preferably at 0.9 times to 1.1 times
Between be adjusted.Alternatively, oscillating stroke can be adjusted between 3 millimeters to 40 millimeters.
Frequency of oscillation can for example be adjusted between 0.1 hertz to 20 hertz.
For the ratio of the circumferential speed of the average speed size and milling and planing drum cutter of oscillating stroke
It is contemplated to be between 0.1 to 3, preferably between 0.25 to 2.
In one embodiment, it is contemplated that milling and planing drum includes the axial support that can be moved in the axial direction.Movable
The achievable reason of axial support is milling and planing drum housing, and displacement or the axial support can be opposite together with milling and planing drum
It is axially moved in milling and planing drum housing.
In another embodiment, it is contemplated that the movement moved back and forth on direction of travel is stackable to axial support
On.This means that milling and planing drum can in the axial direction with vibrated on both direction of travel.Another oscillatory driver is preferred for the mesh
's.Displacement of the milling and planing drum on direction of travel can not only be realized, but also can be to be centered around above milling and planing drum in a linear fashion
And it is parallel to the circular shape of the axis of milling and planing drum axis extension.
It is preferred that following controllers are expected, according to the rotating speed of milling and planing drum and/or forward speed and/or milling depth come automatic
Ground controls or regulates frequency of oscillation and/or the amplitude of oscillating stroke.
In a preferred embodiment, it is contemplated that milling and planing drum vibrates in the axial direction together with milling and planing drum housing, and
And expected oscillatory driver rouses housing relative to mechanical framework driving milling.
As the alternative to this, it is contemplated that oscillatory driver driving milling in the axial direction in milling and planing drum housing
Drum.
In this arrangement, milling and planing drum housing is in the axial direction at least than milling drum length full swing stroke.
It is preferred that expected axial support is the support element of fixation/floating, fixing bearing can in the axial direction transport in it
It is dynamic.
In this arrangement, oscillatory driver can act axially on what is extended on milling and planing drum axis on the side of fixing bearing
In milling and planing drum drive shaft.
Floating bearing allows at least correspond to the movement travel of oscillating stroke.
Milling and planing drum may include rotating driver, and drive shaft is driven on the side of fixing bearing.It is if entire
Milling and planing drum housing can vibrate in the axial direction, then this along be parallel to that milling and planing drum axis extends in the axial direction no less than
Two Linear guides carry out.
In all embodiments, it is contemplated that milling and planing drum housing or milling and planing drum can be along no less than two Linear guides or arcs
Shape guiding piece vibrates on direction of travel.
All guide members include the first guiding piece horizontally and vertically guided and are parallel to the first guiding piece extremely
Few another second guiding piece of no less than one guided in the horizontal direction.
In this way, it can be ensured that guiding piece will not be tensioned against each other.
The purpose is also by realizing according to the method for the present invention, wherein in operation process, backhauls in the axial direction
Dynamic oscillating stroke is applied on milling and planing drum in the axial direction, wherein axis of the rotary motion of cutter with being parallel to milling and planing drum axis
It is superimposed to rotary motion, the stroke of the axial movement can changeably be adjusted relative to the line space of two axially adjacent cutters.
It is preferred that the speed of expected milling and planing drum, between 0.5Hz to 3Hz, this corresponds in 30rpm extremely
Milling and planing drum rotating speed between 180rpm, preferably respectively between 1Hz to 2.5Hz or 60rpm to 150rpm, so as to
2Hz between 40Hz, preferably 5Hz between 15Hz frequency of oscillation combination.
Alternatively, the rotating speed of milling and planing drum can be between 180rpm to 600rpm, this corresponds to 3Hz to 10 hertz
Between milling and planing drum speed, preferably respectively in 240rpm between 360rpm or 4Hz is to the milling and planing drum rotary frequency between 6Hz
In the range of rate, and can be with 0.1Hz to 5Hz, preferably combined in 1Hz to the frequency of oscillation between 3Hz.
In being further improved of this method, it is contemplated that the oscillating movement on milling and planing drum direction of travel be added to transverse to
On the milling and planing drum axial oscillation of direction of travel.
Description of the drawings
Hereinafter, explanation is explained in more detail to the embodiment of the present invention with reference to attached drawing.
It is described below：
Fig. 1 is designed as the perspective view of the road milling machine of large-scale milling machine；
Fig. 2 a are the milling and planing drum according to the cutter for having arrangement helically shaped of the prior art；
Fig. 2 b are by the texture of the road surface of milling；
Fig. 2 c are the line space of cutter；
Fig. 3 is the conventional support part of milling and planing drum；
Fig. 4 is the first embodiment of the present invention；
Fig. 5 is schematic diagram, the milling and planing drum housing being axially movable is illustrated to overlook, wherein the milling and planing drum according to Fig. 4
In milling and planing drum housing；
Fig. 6 is the schematic diagram that milling and planing drum according to second embodiment is axially moved in milling and planing drum housing；
Fig. 7 is the schematic diagram of linear movement of the milling and planing drum housing on direction of travel；And
Fig. 8 is the schematic diagram of linear movement of the milling and planing drum axis on direction of travel；
Fig. 9 and Figure 10 is the schematic diagram of the pendular movement of milling and planing drum housing or milling and planing drum respectively on direction of travel；And
Figure 11 is the cross section by Linear guide.
Specific embodiment
Fig. 1 is shown as substantially from large size milling machine a kind of known to 2 011 921 A of EP.Road milling machine 1 includes machine
Tool frame 8, by the chassis supports for including no less than three crawler type floor-engaging units 20 or wheel.
As seen on direction of travel 22, milling and planing drum housing 10 be arranged in crawler type floor-engaging unit 20 it
Between, however for small-sized milling machine, milling and planing drum housing is concordant with back support wheel or crawler type floor-engaging unit 20.
Milling and planing drum 12 can be rotated transverse to direction of travel 22 around milling and planing drum axis 24, and wherein milling and planing drum 12 is supported on milling
In the side wall 11,13 of drum housing 10 or at mechanical framework 8.
By one front end, milling and planing drum 12 can go directly the outside of mechanical framework 8 of referred to as zero side, and suitable for milling and planing drum 12
Driving device may be arranged at the opposite outer walls of mechanical framework 8.Driving device suitable for milling and planing drum 12 can be included
The thermo-mechanical drive or hydraulic unit driver or motor driver of belt drive 38.
Operator's platform 14 with the seat suitable for mechanical operation member is located at the top of milling and planing drum 12.
Arrangement of the cutter 16 on milling and planing drum 12 is illustrated by way of example in Fig. 2 a, such as substantially from DE 102 03
As 732 is known.In circumferential direction, cutter 16 has specify, approximately constant distance between each other.In milling and planing drum 12
Each front end on, multiple cutters 16 are set, not with spiral-shaped arrangement, to form vertical milling edge.Due to
Cutter 16 does not change their axial position in the rotary course of milling and planing drum 12, they form slot 18, institute on road surface 2
State slot 18 on direction of travel 22 on the cross section of road surface 2 formed flute profile dent, such as in Fig. 2 b and Fig. 2 c it is clear
Ground is shown.
The distance between two adjacent slots 18 19 are so as to the line space depending on milling and planing drum, i.e., as seen in circumferential direction
Adjacent cutter 16 axial distance.
Depending on the layout of milling and planing drum, preferably the line space between 3 millimeters to 25 millimeters is common.
Fig. 2 c are to illustrate to illustrate the distance between slot 18 19 from the spiral-shaped cutter 16 being arranged on milling and planing drum 12
Line space cause.
Preferably, two spiralizations advanced upper in the opposite direction of cutter 16 are on milling and planing drum 12, task be by
The material that institute's milling is fallen is conveyed towards drum center or towards the specific axial position of milling and planing drum 12.
Fig. 3, can not be relative to illustrate to illustrate the conventional axial support element of the milling and planing drum 12 in milling and planing drum housing 10
Mechanical framework 8 is axially moved.Milling and planing drum axis 24 is supported on the side of milling and planing drum housing 10 by fixing bearing 30 and floating bearing 32
In wall 11,13.Floating bearing can small movements in the axial direction, for example to can compensate for any thermal expansion of milling and planing drum axis 24.
Milling drum drive is generally preferably arranged in 30 side of fixing bearing, and can for example pass through mechanical tape type driver
38th, it can also be operated by hydraulic pressure or motor driver.
Had other than radial supporter according to the milling and planing drum 12 of front bulkhead that the present invention is supported on milling and planing drum housing 10
The axial support that can be moved in the axial direction.In this arrangement, the fixing bearing (axial support) of milling and planing drum relative to
Mechanical framework 8 with entire milling and planing drum housing 10 is moved or is moved relative to entire milling and planing drum housing 10 together.
Due to relatively small oscillating stroke according to the present invention, mechanical drum drive is also realized with the design, because only
It must realize the small axial movement of belt drive 38.
In figures 4 and 5, one embodiment is presented, wherein realizing the axial movement of milling and planing drum, reason is with milling
The entire milling and planing drum housing 10 for digging drum 12 performs oscillating stroke.Under this arrangement, oscillatory driver 28 is in mechanical framework 8 and milling
It works between drum housing 10.
Such as from Fig. 4 and Fig. 5 it is found that milling and planing drum housing 10 can along no less than two Linear guides 42a, 44a and 42b,
44b is moved transverse to direction of travel 22, and the guiding piece extends parallel to each other, so that the entire milling with milling and planing drum 12
Plane drum housing 10 vibrates in the plane for being parallel to ground on the axial direction of milling and planing drum axis 24 is parallel to.
Oscillatory driver 28 enables milling and planing drum housing 10 to be vibrated relative to mechanical framework 8, the oscillatory driver 28
Particularly Linear actuator, such as including piston-cylinder unit or mechanical eccentric driver or spindle driver.
Fig. 5 is the schematic plan of embodiment shown in Fig. 4, understands that Linear guide 42a, 42b are parallel to line from it
Property guiding piece 44a and 44b and milling and planing drum axis 24 extend.
When 10 short strokes of progress of milling and planing drum housing, the schematic diagram of guiding piece 42a, 42b, 44a, 44b than Fig. 5 is set
Count significantly shorter.It is to be further understood that each Linear guide 42a, 42b and 44a, 44b can be one respectively
The design of formula.It means that guiding piece 42a, 42b and 44a, 44b can be connected respectively to each other or may extend across milling and planing drum shell
The entire width of body 10.
For Fig. 6 to illustrate to illustrate second embodiment, wherein milling and planing drum housing 10 is attached at mechanical framework 8 in a rigid manner
Place and milling and planing drum 12 are supported on by floating bearing 32a, 32b in side wall 11,13.Oscillatory driver 28 is in 12 He of milling and planing drum
It works between milling and planing drum housing 10.For this purpose, milling and planing drum housing 10 is in the axial direction at least than 12 long full swing of milling and planing drum
Stroke.
Alternatively, the unshowned midfeather being axially movable is also disposed between side wall 13 and milling and planing drum 12, milling
The one end of drum 12 is supported in midfeather in fixing bearing.In this case, oscillatory driver 28 in midfeather and
It works between side wall 13.
Fig. 7 is to illustrate to illustrate oscillating movement of the milling and planing drum housing 10 on direction of travel 22, and Fig. 8 is related to wherein milling
The embodiment that drum 12 can vibrate on direction of travel in side wall 11,13.
The additional oscillating movement for being parallel to direction of travel 22 can be by two additional Linear guides shown in fig. 7
46th, it 48 generates, Linear guide 46,48 extends perpendicular to Linear guide 42,44 so that not only axial oscillatory movement is stackable
Onto the rotary motion of cutter 16, and it is parallel to the additional oscillating movement of direction of travel 22.
In fig. 8 in shown embodiment, milling and planing drum axis 24 is guided in milling and planing drum housing 10 in level trough 25.
Linear guide 42,44,46,48 is for example also contemplated by the design for composite slide part.
Oscillation in the axial direction and is parallel to the amplitude of direction of travel 22 and/or frequency is changeably adjusted.Example
Such as, oscillating stroke can be adjusted between 0.5 times to 1.5 times of line space.However full swing stroke is preferred
It is guided by line space, and only slightly deviates line space.
For example, oscillating stroke can be between 3 millimeters to 40 millimeters, preferably 5 millimeters to 40 millimeters.
Frequency of oscillation can be adjusted in 0.1Hz between 40Hz.
Alternatively, frequency may also be adjusted to so that in the average axial velocity size of milling and planing drum 12 and the advance of milling and planing drum 12
Spy is obtained between the circumferential speed of 12 cutter of speed or milling and planing drum or the summation of cutter circumferential speed and the forward speed of milling machine
Determine relationship.
It, can be advantageously by the specific milling and planing drum range of speeds and relative to specific milling and planing drum according to another alternative solution
The surge frequency range that the range of speeds is adjusted is combined.
For example, in 180rpm to (or in 3Hz to the milling and planing drum speed between 10Hz) between 600rpm, preferably exist
Relatively high milling and planing drum rotating speed in the range between 240rpm to 360rpm (or 4Hz to 6Hz) can with 0.1Hz between 5Hz,
Particularly preferably it is combined in 1Hz to the relatively low frequency of oscillation between 3Hz.
In this arrangement, frequency of oscillation refers to the specified range suitable for oscillating stroke.
According to another particularly preferred embodiment, low milling and planing drum rotating speed can be combined with high hunting speed.
In this case, milling and planing drum rotating speed (can be rotated in 30rpm to 180rpm corresponding to the milling and planing drum of 0.5Hz to 3Hz
Frequency) between, preferably between 60rpm to 150rpm (correspond to 1Hz to 2.5Hz), wherein frequency of oscillation is in 2Hz
To between 40Hz, preferably between 5Hz to 15Hz.
Under normal conditions, which is preferably as it makes it possible to realize that relatively low tool wear and rupture (are cut
The relatively low circumferential speed of cutter tool, that is, the smaller power on cutter is acted in cutting).
Frequency of oscillation should not correspond to milling and planing drum speed integral multiple (or vice versa), because if frequency of oscillation correspond to
In milling and planing drum speed integral multiple (or vice versa) will be always so that the same line that can extend on direction of travel of cutting
Upper progress.However this effect can be neglected in the case where quick oscillation is for example five times in bulging speed.
The integral multiple of speed half must also be avoided in the case of the oscillating stroke corresponding to line space, is otherwise cut
Cutting will also carry out on the same straight line of the linear texture always extended on direction of travel or in adjacent lines.
Finally, it is folded by the harmonic wave (its frequency range for example with about 30% frequency of oscillation) with milling and planing drum speed
Add and also may be such that variable frequency of oscillation is possibly realized.
The oscillating movement of the superposition for being parallel to direction of travel 22 of milling and planing drum 12 may not be as shown in Figures 7 and 8
It is linear, but realized with being centered around 24 top of milling and planing drum axis and being parallel to the circular shape of pivotal axis 50 of its extension.
In this case, Fig. 9 shows one embodiment, wherein the milling and planing drum housing 10 with milling and planing drum 12 can advance
Around pivotal axis 50 with the shape oscillation of circular arc on direction 22.
Figure 10 shows alternate embodiment, and wherein milling and planing drum 12 can surround pivotal axis 50 in milling and planing drum shell on direction of travel 22
It is vibrated in body 10.In this case, slot 25 is arranged in the side wall 11 of milling and planing drum housing 10 and is bent to around pivotal axis 50
Circular shape.
Figure 11 shows the cross section of longitudinal guide 42,44,46,48, draws from two extended parallel to each other knowable to it
Each of guiding element 42,48 only has a single degree of freedom, i.e., degree of freedom in the axial direction, and other guiding piece 44,
46 correspondingly have degree of freedom in the axial direction and degree of freedom in the horizontal direction.This design of guiding piece was both suitable for
The Linear guide 42,44 acted in the axial direction is suitable for the Linear guide 46,48 acted on direction of travel again.
The road milling machine may include controller 14, according to the forward speed of the rotating speed of milling and planing drum and/or milling machine and/
Or the milling depth of milling and planing drum automatically controls or regulates frequency of oscillation and/or oscillation amplitude.In addition, the parameter of road surface
It can take in, such as the consistency of road surface.
Claims (18)
1. for handling the self-propelled road milling machine (1) of road surface (2), including：
Mechanical framework (8)；
Milling and planing drum (12) and the milling and planing drum housing (10) for impaling milling and planing drum (12), the milling and planing drum (12) are mounted to rotate
And extend in the axial direction transverse to direction of travel (22)；
Wherein milling and planing drum (12) includes multiple cutters (16) circumferentially on milling and planing drum (12), and wherein cutter (16) removes
There is the mutual line space specified except axial neighboring area；
It is characterized in that：
Oscillatory driver (28) applies on milling and planing drum (12) to shake in the axial direction relative to what mechanical framework (8) moved back and forth
Stroke is swung, the wherein rotary motion of cutter (16) can be superimposed with the axial movement for the axis (24) for being parallel to milling and planing drum (12), should
The stroke of axial movement can be adjusted relative to the line space between two axially adjacent cutters (16).
2. road milling machine (1) according to claim 1, which is characterized in that the amplitude and/or frequency of oscillation are can
Become what ground was adjusted.
3. road milling machine (1) according to claim 1 or 2, which is characterized in that oscillating stroke can be in line space
It is adjusted between 0.5 times to 1.5 times or between 3 millimeters to 40 millimeters.
4. road milling machine (1) according to claim 1 or 2, which is characterized in that oscillating stroke can be in line space
It is adjusted between 0.9 times to 1.1 times.
5. road milling machine (1) according to claim 1 or 2, which is characterized in that frequency of oscillation can be at 0.1 hertz extremely
It is adjusted between 40 hertz.
6. road milling machine (1) according to claim 1 or 2, which is characterized in that average axial velocity size and milling and planing drum
The ratio of the circumferential speed of cutter is between 0.1 to 3.
7. road milling machine (1) according to claim 1 or 2, which is characterized in that average axial velocity size and milling and planing drum
The ratio of the circumferential speed of cutter is between 0.25 to 2.
8. road milling machine (1) according to claim 1 or 2, which is characterized in that milling and planing drum (12) is including can be in axial direction
The axial support just moved upwards.
9. road milling machine (1) according to claim 8, which is characterized in that moving back and forth on direction of travel (22)
It can be added in axial support.
10. road milling machine (1) according to claim 1 or 2, which is characterized in that the road milling machine is provided with control
Device (14), the controller shake according to the rotating speed and/or forward speed and/or milling depth of milling and planing drum automatically to control or regulate
Swing frequency and/or the amplitude of oscillating stroke.
11. road milling machine (1) according to claim 1 or 2, which is characterized in that milling and planing drum (12) is in the axial direction
It is vibrated together with milling and planing drum housing (10), and oscillatory driver (28) rouses housing relative to mechanical framework (8) driving milling
(10)。
12. road milling machine (1) according to claim 11, which is characterized in that milling and planing drum housing (10) can be in axial direction
Along no less than two Linear guide (42,44) oscillations on direction.
13. road milling machine (1) according to claim 1 or 2, which is characterized in that oscillatory driver (28) is in axial side
Upwards (12) are roused relative to milling and planing drum housing (10) driving milling.
14. road milling machine (1) according to claim 13, which is characterized in that oscillatory driver (28) is in fixing bearing
(30) side is acted axially in the drive shaft of milling and planing drum (12) extended on milling and planing drum axis (24).
15. road milling machine (1) according to claim 9, which is characterized in that milling and planing drum housing (10) or milling and planing drum (12)
It can be vibrated on direction of travel (22) along no less than two Linear guides or arc guiding piece (46,48).
16. handling the method for road surface (2) with road milling machine (1), the road milling machine (1) has：
Milling and planing drum (12), the milling and planing drum (12) are mounted to rotate and in the axial direction transverse to row at mechanical framework (8)
Extend into direction (22)；
Circumferentially multiple cutters (16) on milling and planing drum (12), wherein cutter (16) is other than axial neighboring area
Keep the mutual line space specified；
It is characterized in that：
In operation process, the oscillating stroke moved back and forth in the axial direction is applied to milling and planing drum (12) in the axial direction
On, a no less than axial movement for wherein axis (24) of the rotary motion of cutter (16) with being parallel to milling and planing drum (12) is superimposed,
The stroke of the axial movement can be adjusted changeably relative to the line space of two axially adjacent cutters (16).
17. according to the method for claim 16, which is characterized in that using frequency of oscillation and/or oscillation amplitude, the oscillation
Frequency and/or oscillation amplitude are the rotating speed and/or forward speed and/or milling depth and/or link table according to milling and planing drum (12)
The parameter in face (2) automatically controls or regulates.
18. method according to claim 16 or 17, which is characterized in that between 180rpm to 600rpm
High milling and planing drum rotating speed combines or in 30rpm to the range between 180rpm in 0.1Hz to the low frequency of oscillation between 5Hz
Interior low milling and planing drum rotating speed is combined in 2Hz to the high oscillation frequency between 40Hz.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014227037 | 2014-12-30 | ||
| DE102014227037.5 | 2014-12-30 | ||
| DE102015209740.4A DE102015209740A1 (en) | 2014-12-30 | 2015-05-27 | Self-propelled road milling machine for working on road surfaces, as well as methods for working on road surfaces with a road milling machine |
| DE102015209740.4 | 2015-05-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105735097A CN105735097A (en) | 2016-07-06 |
| CN105735097B true CN105735097B (en) | 2018-06-12 |
Family
ID=54849538
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511016113.1A Active CN105735097B (en) | 2014-12-30 | 2015-12-29 | Handle the self-propelled road milling machine on road surface and road milling machine processing road surface method |
| CN201521118040.2U Withdrawn - After Issue CN205313962U (en) | 2014-12-30 | 2015-12-29 | A self -propelled road milling machine for handling road surface |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521118040.2U Withdrawn - After Issue CN205313962U (en) | 2014-12-30 | 2015-12-29 | A self -propelled road milling machine for handling road surface |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10024005B2 (en) |
| EP (1) | EP3040478B1 (en) |
| JP (1) | JP6283651B2 (en) |
| CN (2) | CN105735097B (en) |
| DE (1) | DE102015209740A1 (en) |
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| DE102015002743A1 (en) * | 2014-12-23 | 2016-06-23 | Wirtgen Gmbh | Self-propelled construction machine and method for operating a self-propelled construction machine |
| DE102015209740A1 (en) * | 2014-12-30 | 2016-06-30 | Wirtgen Gmbh | Self-propelled road milling machine for working on road surfaces, as well as methods for working on road surfaces with a road milling machine |
| WO2018098599A1 (en) * | 2016-11-29 | 2018-06-07 | Ammann Schweiz Ag | Method and device for milling stone material or stone-like material |
| DE102017005015A1 (en) * | 2017-05-26 | 2018-11-29 | Wirtgen Gmbh | Machine train comprising a road milling machine and a road paver and method of operating a road milling machine and a road paver |
| CN108457164A (en) * | 2018-05-28 | 2018-08-28 | 徐州世通重工机械制造有限责任公司 | A kind of dustless broken excavator in concrete road surface with ultrasonic wave miscellaneous function |
| US11174604B1 (en) * | 2020-07-14 | 2021-11-16 | Caterpillar Paving Products Inc. | Milling systems and methods for a milling machine |
| CN112359691A (en) * | 2020-11-13 | 2021-02-12 | 山东建筑大学 | Rapid milling equipment and maintenance method for road surface around inspection well of municipal road |
| US11866891B2 (en) * | 2021-10-13 | 2024-01-09 | Caterpillar Paving Products Inc. | Adjustable pitch rotor for milling applications |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3040478B1 (en) | 2017-10-18 |
| JP2016135981A (en) | 2016-07-28 |
| EP3040478A1 (en) | 2016-07-06 |
| CN205313962U (en) | 2016-06-15 |
| US10024005B2 (en) | 2018-07-17 |
| US20160186392A1 (en) | 2016-06-30 |
| CN105735097A (en) | 2016-07-06 |
| JP6283651B2 (en) | 2018-02-21 |
| DE102015209740A1 (en) | 2016-06-30 |
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